During a sale at h&m, you buy three sweatshirts and two pairs of pants for $85.50. Later in the day, your friend buys three
sweatshirts and four pairs of pants for $123. Define your variables and write a system of equations to represent the situation if you wanted to find out how much each item costs individually.
1 answer:
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If the matrix is of 2 by 2 then we can find the determinant of the matrix.
Then (ad - bc ) gives you the determinant of the matrix.
For example,
= (2)(-2) - (1)(4)
= - 4 - 4
= -8
Answer:
- p/(p+q) and r/(r+s)
Step-by-step explanation:
<em>Refer to attached</em>
<u>Comparing sales by the ratio of sold to all or</u>
- Sales = sold / (remaining + sold)
<u>Applying to our table:</u>
- New Labels: p/(p+q)
- Old labels: r/(r+s)
Correct answer option is the last one
